General:
Annual herb from a slender taproot; stems 15-60 cm tall, usually much branched especially above, glabrous to densely soft-hairy.

Leaves:
Linear to narrowly lanceolate, 1.5-5 cm long, 1-2 (7) mm wide, entire, gradually reduced upward.

Flowers:
Inflorescence raceme-like, several-flowered, the flowers on slender stalks, opening at dawn; petals 1.2-3 mm long, white to pinkish; sepals 1-3 mm long; largest stamens 0.9-2 mm long; ovaries hairy.

Fruits:
Capsules, 4-12 mm long, cylindric, glabrous to soft-hairy, constricted between seeds, 4 chambers; stalks erect to spreading, 2-8 mm long, thread-like; seeds 3-18, alternate to nearly opposite when compared between chambers, sometimes in 2 rows in a chamber and overlapping, 1-1.5 mm long, glabrous to densely fine-hairy.

Source:  The Illustrated Flora of British Columbia

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Illustration Source:  The Illustrated Flora of British Columbia

Synonyms and Alternate Names:
Gayophytum diffusum var. strictipes (Hook.) Dorn
Gayophytum helleri var. erosulatum Jeps.
Gayophytum intermedium Rydb.
Gayophytum lasiospermum Greene
Gayophytum lasiospermum var. hoffmannii Munz
Gayophytum nuttallii var. abramsii Munz
Gayophytum nuttallii var. intermedium (Rydb.) Munz